Perhaps you should try some spelling variations:
"coder coder carsharing packing problem" » "coder coder carsharing planning problem" (Expand search), "coder peer carsharing packing problem" (Expand search), "coder code sharing packing problem" (Expand search), "coder of carsharing packing problem" (Expand search), "coder decoder carsharing packing problem" (Expand search), "code code carsharing packing problem" (Expand search), "decoder codec carsharing packing problem" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder carsharing packing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder carsharing packing problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder carsharing packing problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder carsharing packing problem") OR ("api python python python programming"))*.